Thomson Delmar Learning, 2008
Multimedia
Dofka, Charline M.
Delmar Cengage Learning, 2013
Buku Teks SO
Dofka, Charline M.
Delmar Cengage Learning, 2007
Buku Teks SO
Phinney, Donna J.
Thomson Delmar Learning, 2008
Multimedia
Weinberg, Mea
Pearson, 2013
Buku Teks SO